Bug 2453959 (CVE-2026-34871) - CVE-2026-34871 mbedtls: entropy on Linux can fall back to /dev/urandom
Summary: CVE-2026-34871 mbedtls: entropy on Linux can fall back to /dev/urandom
Keywords:
Status: NEW
Alias: CVE-2026-34871
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454083 2454084 2454085 2454086 2454087
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-01 19:02 UTC by OSIDB Bzimport
Modified: 2026-04-01 20:47 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-04-01 19:02:02 UTC 
An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator (PRNG).
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